This is the first layer you put on every time the mercury dips. It's the weight of a T-shirt, fits comfortably next-to-skin, wicks away sweat, and keeps you amazingly warm. If you work out when it's cold, you better do it in ColdGear® Armour.

Using new manufacturing techniques, Threadborne fabric is built to eliminate distraction. We’ve engineered it to keep the ideal distance between fabric and athlete, so it won't cling when wet and dries incredibly fast.

Using new manufacturing techniques, Threadborne fabric is built to eliminate distraction. We’ve engineered it to keep the ideal distance between fabric and athlete, so it won't cling when wet and dries incredibly fast. Grey/Black

UA Featherweight Fleece Funnel Neck, Brilliance, It’s in the name. This fleece is light and soft as a feather. And as comfy as they come. Super-soft & stretchy fleece delivers an incredibly lightweight fit & feel

This is the first layer you put on every time the mercury dips. It's the weight of a T-shirt, fits comfortably next-to-skin, wicks away sweat, and keeps you amazingly warm. If you work out when it's cold, you better do it in ColdGear® Armour.